Tamper resistant electrical ground block



FIG. 1 is a perspective view of a tamper resistant electrical ground block, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a side elevation view thereof.

The broken line in FIG. 5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tamper resistant electrical ground block, as shown and described. 